Re: [Xen-users] need advise with a redhat domU

["Nick Couchman" <Nick.Couchman@xxxxxxxxx>]

Mike,
I think you need to better categorize the statement "performance is crappy."  
Dig into the performance some and figure out where your bottleneck is - disk, 
network, CPU, memory??  The standard tools you'd use on a physical machine 
should work fine on a VM - iostat, vmstat, top, free, sar, etc., etc.  Once you 
nail down where the problem is, you can post back and folks will probably have 
some better suggestions on how to alleviate specific bottlenecks.  Also, let us 
know what you're doing with the VM.  Running a basic web server?  Oracle 
database server?  Compiling code?  The tuning will be very different based on 
where the bottleneck is and what you're trying to do with the system.

-Nick

>>> On 2013/02/07 at 09:21, "Mike Egglestone" <mike@xxxxxxxxx> wrote: 
> Hello,
> 
> I have xen dom0 running on Debian with a RedHat 5.4 domU. (under HVM)
> Its working, but performance is crappy.
> 
> I think I need to get PV drivers in the RH kernel, or flip this to a PV 
> domU?
> The RH kernel is 2.6.18, which doesn't come stock with PV drivers.
> 
> Any suggestions on how to get his domU up to snuff?
> 
> Thanks!




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